Tunneling And Encryption; Gre Tunnels - CTEK Z45 Series User Manual

Tunneling and Encryption

GRE Tunnels

The Z4550 Controller allows for the configuration of up 2 GRE tunnels over the cellular
wireless interface. The figure below shows the mode of operation
Parameter
Tunnel Select
WAN MTU/MRU
TTL Value
Multicast Support
GRE Tunnel Definition
(1/2)
Z45X SERIES INDUSTRIAL CONTROLLERS - DECEMBER 23, 2020
Options
None/1/2/Both
Increase for tunnel overhead (Yes/No)
Time for a packet to live in a tunnel (seconds)
Enable/Disable
Remote Router IP - Routable address of the remote router)
Remote Tunnel IP - Address used for the remote end of the
tunnel)
Remote Subnet IP/Netmask - Base address of the subnet
connected through the tunnel
Local Tunnel IP/Netmask – Address used to construct local
end of the tunnel
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